11111101201012 has 6 divisors (see below), whose sum is σ = 19444427101778. Its totient is φ = 5555550600504.

The previous prime is 11111101201009. The next prime is 11111101201061. The reversal of 11111101201012 is 21010210111111.

It can be written as a sum of positive squares in only one way, i.e., 10528376604516 + 582724596496 = 3244746^2 + 763364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11111101200983 and 11111101201001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388887650123 + ... + 1388887650130.

Almost surely, 2^{11111101201012} is an apocalyptic number.

It is an amenable number.

11111101201012 is a deficient number, since it is larger than the sum of its proper divisors (8333325900766).

11111101201012 is a wasteful number, since it uses less digits than its factorization.

11111101201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777775300257 (or 2777775300255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111101201012 its reverse (21010210111111), we get a palindrome (32121311312123).

The spelling of 11111101201012 in words is "eleven trillion, one hundred eleven billion, one hundred one million, two hundred one thousand, twelve".